Home / 20,478,793.14-30,719,953.71-5,332,752.18

Finding the Fourth Proportional to 20,478,793.14, 30,719,953.71 and 5,332,752.18

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Solution

The fourth proportional to 20,478,793.14, 30,719,953.71 and 5,332,752.18 is: 7,999,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,478,793.14 : 30,719,953.71 = 5,332,752.18 : x
  2. Step 2: Convert to fraction form
    20,478,793.14/30,719,953.71 = 5,332,752.18/x
  3. Step 3: Cross multiply
    20,478,793.14x = 30,719,953.71 × 5,332,752.18
  4. Step 4: Simplify right side
    20,478,793.14x = 163,821,900,116,501.59
  5. Step 5: Solve for x
    x = 163,821,900,116,501.59/20,478,793.14
  6. Step 6: Final answer
    x = 7,999,587.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.